Home / 15,040.64-20,734.34-10,550.46

Finding the Fourth Proportional to 15,040.64, 20,734.34 and 10,550.46

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Solution

The fourth proportional to 15,040.64, 20,734.34 and 10,550.46 is: 14,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,040.64 : 20,734.34 = 10,550.46 : x
  2. Step 2: Convert to fraction form
    15,040.64/20,734.34 = 10,550.46/x
  3. Step 3: Cross multiply
    15,040.64x = 20,734.34 × 10,550.46
  4. Step 4: Simplify right side
    15,040.64x = 218,756,824.80
  5. Step 5: Solve for x
    x = 218,756,824.80/15,040.64
  6. Step 6: Final answer
    x = 14,544.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.